Inworld launches Realtime TTS-2: bracket-based voice steering across 200+ languages
testingcatalog · x · 2026-09-03
Inworld released Realtime TTS-2, a realtime voice model ranked #1 on Artificial Analysis.
- Voice steering: bracket directives like [excited] shift delivery in real time; prior turns are passed as audio context so the model picks up user tone, pacing, and emotion.
- Performance: 20ms to first audio byte (server-side), with denoised output.
- Coverage: TTS-2 Flash supports 200+ languages with the same steering and cloning features.
- Early partners include LiveKit, Latitude, and Talkpal, targeting realtime conversation, AI game characters, and language learning.
Related event: Inworld's Realtime TTS-2 Launches and Tops Voice Leaderboards(7 posts)→
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